- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 37/01 - Selection of materials
Patent holdings for IPC class B21D 37/01
Total number of patents in this class: 145
10-year publication summary
|
15
|
16
|
10
|
15
|
17
|
14
|
9
|
11
|
3
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2877 |
19 |
| Hitachi Metals, Ltd. | 1985 |
13 |
| Toyo Seikan Group Holdings, Ltd. | 832 |
10 |
| Nippon Steel Corporation | 6203 |
5 |
| Oerlikon Surface Solutions AG, Pfaffikon | 541 |
5 |
| GM Global Technology Operations LLC | 14937 |
4 |
| JFE Steel Corporation | 6809 |
4 |
| Proterial, Ltd. | 832 |
4 |
| Dayton Progress Corporation | 32 |
3 |
| G-Tekt Corporation | 39 |
3 |
| Ford Motor Company | 2709 |
2 |
| Ford Global Technologies, LLC | 20505 |
2 |
| Dowa Thermotech Co., Ltd. | 44 |
2 |
| Gestamp HardTech AB | 107 |
2 |
| Hyundai Steel Company | 425 |
2 |
| Kobe Steel, Ltd. | 870 |
2 |
| Magna International Inc. | 1224 |
2 |
| Nippon Koshuha Steel Co., Ltd. | 28 |
2 |
| Osaka Gas Co., Ltd. | 314 |
2 |
| Sandvik Intellectual Property AB | 1484 |
2 |
| Other owners | 55 |